How Historic Brickwork Techniques were used to Repair Hampton Court Palace Chimneys

This video shows you how historic brickwork techniques were used to repair failing Hampton Court Palace chimneys.

The owner of a brickwork conservation company, Emma Simpson, said they are fortunate to be employed at Hampton Court Palace. The brickwork is extremely precise, with millimeter-level tolerances and a variety of tools. The bricks they use for the task are one of the crucial things they employ. They use a variety of tools, some of which are handmade. The bricks, which are also known as red rubbers because they are softer, do shatter. They were therefore burnt at a slightly lower temperature than a typical brick, making it possible to cut and rub them. The term "cut and rub brick work" is thus derived. And you can actually use a bow saw to cut them, chisels and rifflers to carve them, and even sandpaper to rub them. They, therefore, make for really excellent working materials.

Further information: The chimneys have beautiful, flowing lines and are wonderfully ornate, but they are in terrible condition because they have endured the worst of the weather. Further harm was done to them when they were repointed and bodged using cement mortar that was too strong. The cap of the chimneys, which had undersized jointing parts due to movement caused by wind pressure, shattered, releasing the three shafts from high-level restraint. The shafts leaned by 1.5 to 2 degrees because the wind had caused them to rotate independently. The project team finally decided to reconstruct the cap using the same design while adding structural reinforcement to make it act monolithically. They dismantled the entire chimney cap brick by brick, documented each one, then manufactured replacement bricks to fix the damage. Thanks to total funding from the Culture Recovery Fund of £3,013,339, Historic Royal Palaces have made substantial progress in the urgent repairs of the renowned chimneys.

In this video, Emma Simpson demonstrates cut and rub brickwork for Conserving Hampton Court Palace's Iconic Chimneys. If you like our video, please click the like button on the video and follow our channel, as it helps us massively.
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Source:
https://www.architectsjournal.co.uk/archive/cut-and-rub-hampton-court-palace-chimney-repair